Inventor · disambiguated record
Yet-Zen Liu
Also filed as: CHIANG SHANG-YI · LIU YET-ZEN
11 granted patents·6 pending applications·250 citations·filing 1974–2001
91Inventor score
Top patents by PatentIndex Score
17 records- 0195US4152044AGalium aluminum arsenide graded index waveguideITT·Filed 1977·Granted May 1, 1979·92 cites·20 claims
- 0279US3936855ALight-emitting diode fabrication processITT·Filed 1974·Granted Feb 3, 1976·23 cites·11 claims
- 0376US4249967AMethod of manufacturing a light-emitting diode by liquid phase epitaxyITT·Filed 1979·Granted Feb 10, 1981·24 cites·4 claims
- 0470US6623180B2High frequency optical module and method of making sameGTRAN INC·Filed 2001·Granted Sep 23, 2003·22 cites·17 claims
- 0568US4422091ABackside illuminated imaging charge coupled deviceROCKWELL INTERNATIONAL CORP·Filed 1981·Granted Dec 20, 1983·25 cites·8 claims
- 0664US4010483ACurrent confining light emitting diodeITT·Filed 1974·Granted Mar 1, 1977·13 cites·7 claims
- 0760US5192695AMethod of making an infrared detectorFERMIONICS CORP·Filed 1991·Granted Mar 9, 1993·28 cites·39 claims
- 0846US5465171AOptical modulator device using a thin film resonatorUNIV IOWA STATE RES FOUND INC·Filed 1994·Granted Nov 7, 1995·10 cites·18 claims
- 0937US4517674AZinc-diffused narrow stripe AlGaAs/GaAs double heterostructure laserUS NAVY·Filed 1982·Granted May 14, 1985·6 cites·14 claims
- 1037US4220960ALight emitting diode structureITT·Filed 1978·Granted Sep 2, 1980·4 cites·5 claims
- 1136US2003113063A1Method and apparatus for enhancing power saturation in semiconductor optical amplifiersFiled 2001·Application pending·0 cites
- 1236US2003075671A1Method and apparatus for reducing power saturation in photodetectorsFiled 2001·Application pending·0 cites
- 1335US2003075672A1Method and apparatus for coupling optical fiber with photodetectorsFiled 2001·Application pending·0 cites
- 1431US2003077849A1Method for fabricating ohmic contact layer in semiconductor devicesFiled 2001·Application pending·0 cites
- 1529US4521887AW-shaped diffused stripe GaAs/AlGaAs laserUS NAVY·Filed 1982·Granted Jun 4, 1985·3 cites·11 claims
- 1629US2003076861A1Method and apparatus for packaging laser diodesFiled 2001·Application pending·0 cites
- 1725US2003094688A1Method and apparatus for packaging photodetectorsFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yet-Zen Liu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →